Year Sterling (millions) 1997-12-31 9043 1998-12-31 9175 1999-12-31 9560 2000-12-31 10262 2001-12-31 10494 2002-12-31 10847 2003-12-31 11903 2004-12-31 13149 2005-12-31 13123 2006-12-31 14067 2007-12-31 15627 2008-12-31 15918 2009-12-31 16488 2010-12-31 16358 2011-12-31 16648 2012-12-31 16637 2013-12-31 17788 2014-12-31 18455 2015-12-31 18781 2016-12-31 19052 2017-12-31 20049 2018-12-31 19610 2019-12-31 20351 2020-12-31 23111 2021-12-31 25524 2022-12-31 26220 2023-12-31 25074